Examine source code of Rainbow Plasima

{
  "theme": {
    "images": {
      "theme_frame": "rainbow_plasma_header.jpg"
    },
    "colors": {
      "frame": "#808080",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rainbow Plasima",
  "manifest_version": 2,
  "description": "This is my first attempt at creating a persona. I created it in The GIMP."
}